I have a 32 day cycle, last period was on the 21st of October, and I'm expecting my period to come on the 22nd this month (3 days from now).

Okay, so my boyfriend and I DIDN'T have unprotected this whole month, but about 3 weeks ago, I rubbed it on his thing without protection. It didn't go in, but I did feel something wet down there. I saw that he had precum, but I don't exactly know if that's what I was touching. This all occurred the day after my period ended (which, I'm told, is one of the least likely days to get pregnant). He had already came that day (maybe an hour before) and didn't pee (so the left over sperm probably didn't die from the acid).

I'm not late yet; I still have 3 more days. I've noticed I've been feeling nauseous, light headed, and dizzy. I don't normally have these symptoms for my PMS. I know when I'm PMSing when I have cramps, irritable, and emotional a week to a couple days before my period. None of those symptoms have occurred. I have had some cramps, though.

I'm just wondering if there's a possibility that I'm pregnant, or if it's all in my head. Also, if I'm not pregnant, why haven't I had my normal PMS symptoms?